Home / 118,637,084.80-177,955,627.20-105,872,003.20

Finding the Fourth Proportional to 118,637,084.80, 177,955,627.20 and 105,872,003.20

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Solution

The fourth proportional to 118,637,084.80, 177,955,627.20 and 105,872,003.20 is: 158,808,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,637,084.80 : 177,955,627.20 = 105,872,003.20 : x
  2. Step 2: Convert to fraction form
    118,637,084.80/177,955,627.20 = 105,872,003.20/x
  3. Step 3: Cross multiply
    118,637,084.80x = 177,955,627.20 × 105,872,003.20
  4. Step 4: Simplify right side
    118,637,084.80x = 18,840,518,732,376,408
  5. Step 5: Solve for x
    x = 18,840,518,732,376,408/118,637,084.80
  6. Step 6: Final answer
    x = 158,808,004.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.